Yahoo Finance, Apple's biggest gain in the six months after a launch was by 64%. That came after the first-generation iPhone release, which was a game changer for the industry.
The S&P; 500 rose 62% in the same six months.
The only loss over a six-month period after an iPhone release came after the iPhone 5's September 2012 debut. Apple shares fell 35% during that window.
In the 12 months after new iPhone launches, Apple shares have rallied every time except twice. They gained 96% from the July 2009 launch of the iPhone 3GS.
They went positive for 2016 on Friday, one day after the
